Compare Local Pros
Precision Air vs Holderby Electric
El Dorado Electrical Contractors Comparison · Updated March 2026
You're comparing an HVAC specialist with an electrician—fundamentally different trades, though Holderby Electric lacks workers compensation coverage.
| Precision Air | Holderby Electric | |
|---|---|---|
| Rating | ★ 5.0 | ★ 5.0 |
| Years Licensed | 18 years | 24 years |
| License # | 913756 | 799909 |
| Workers' Comp | ✓ Yes | — |
| Bond Amount | $25,000 | $25,000 |
| Location | Placerville, CA | Placerville, CA |
| Website | — | holderbyelectric.com |
Key Differences
What Customers Say
Precision Air
Customers consistently highlight timely emergency response, thorough inspections, and professional service across both routine repairs and complex installations including ADU projects.
Holderby Electric
Customers emphasize punctual arrivals, quick work completion, and willingness to handle urgent electrical situations including late-evening emergency calls.
Key Takeaway: Precision Air's reviews reflect broader project diversity from emergency repairs to complete system installations, while Holderby Electric's feedback centers specifically on responsive emergency electrical diagnostics and service calls.
Customer Reviews
Precision Air
Phenomenal service, knowledge, and customer service. My AC went down in triple digit temps and Shawn dropped by immediately in the evening (same day) to help. Luckily the problem wasn't serious and he...
I conducted seven interviews before deciding to go with Precision Air. Precision Air was the most professional and respectable company as well as the most knowledgeable about our new Mitsubishi mini s...
My A/C was not working properly and i called Precision Air Co and Shawn fixed the problem. Very reliable, professional and dependable. I wouldnt call any other company for heating and air. Precision i...
Holderby Electric
Always ready to go above and beyond. Always punctual and get the job done quickly. Love theses guys
Shane showed up at 9pm and detected the problem. We were able to get the power company out there to repair on their end before morning. Very professional.
Consider Precision Air if...
- ✓ You need heating or air conditioning work—installation, repair, emergency cooling failures, or mini-split systems
- ✓ You want comprehensive insurance protection during the project, including workers compensation coverage
- ✓ Your project involves complex HVAC installations or you're building an accessory dwelling unit requiring mechanical systems
- ✓ You value a contractor with documented experience across both emergency repairs and larger planned installations
Consider Holderby Electric if...
- ✓ You need electrical services—diagnostics, emergency electrical repairs, or electrical system troubleshooting
- ✓ You're comfortable verifying your homeowner's insurance covers contractor injuries or can confirm Holderby works alone
- ✓ You have an urgent electrical situation requiring late-evening or emergency response
- ✓ You need punctual, efficient electrical service from a long-established local electrician
Questions to Ask Before Hiring
- → For Holderby Electric: Ask directly about liability coverage and confirm whether your homeowner's policy would cover injuries if someone gets hurt during electrical work on your property
- → For Holderby Electric: Ask whether the owner works alone or employs helpers, as this affects your injury liability exposure
- → If your project involves both electrical and HVAC work: Ask each contractor whether they coordinate with other trades or if you'll need to manage that separately
The Bottom Line
This comparison only makes sense if you're uncertain whether your problem is electrical or HVAC-related, or if you need both trades for a larger project. If your air conditioner or heater needs work, Precision Air is your choice—they specialize in HVAC with full insurance coverage and 18 years of proven experience. If you need electrical diagnostics or repairs, Holderby Electric offers 24 years of electrical expertise, but you must address the workers compensation gap by verifying your homeowner's insurance covers contractor injuries before signing any contract. For projects requiring both trades, you'll likely need both contractors, with Precision Air's ADU experience suggesting they're comfortable coordinating multi-trade projects.
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Frequently Asked Questions
Yes, and this is common for larger projects like home additions or system upgrades. Precision Air has experience coordinating with other trades on ADU projects, suggesting they work well alongside electricians. You'll need to manage scheduling between the two contractors, or ask if either has preferred partners they collaborate with regularly.
If someone gets injured while working on your electrical project, you could be held financially responsible for their medical bills and lost wages if your homeowner's insurance doesn't cover it. Before hiring Holderby, call your insurance agent to verify your policy covers contractor injuries, or ask Holderby if they work solo to reduce this risk.
Both are veteran contractors with nearly two decades in business—18 years versus 24 years. At this experience level, the difference matters less than their trade specialization and current service quality. Both have demonstrated longevity that suggests competence and satisfied customers over many years.
Both have demonstrated strong emergency response in their respective trades. Precision Air has documented same-day response for cooling failures during heat waves, while Holderby Electric has provided late-evening electrical diagnostics. Choose based on whether your emergency is HVAC or electrical in nature.
Looking for the Best?
See our ranked list of top electrical contractors in El Dorado.
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How We Compare Contractors
License Verification
All license data is sourced from official California CSLB records and verified regularly.
Review Analysis
Customer reviews are aggregated from Google and analyzed to identify patterns in service quality.
Detailed Comparison
We analyze credentials, insurance, experience, and feedback to highlight meaningful differences.
Not all licensed contractors are created equal. While a valid license is the baseline requirement in California, contractors can vary significantly in experience, insurance coverage, and customer satisfaction.
- Experience matters: A contractor with 15+ years of experience has likely encountered and solved problems that newer contractors haven't faced yet.
- Workers' compensation protects you: If a contractor without workers' comp insurance has an employee injured on your property, you could be held liable.
- Reviews reveal patterns: Individual reviews can be misleading, but patterns across many reviews often reveal a contractor's true strengths and weaknesses.
- Bond amounts vary: A contractor's bond provides financial protection if they fail to complete work as agreed. Higher bonds offer more protection.
Taking time to compare contractors on these factors can save you from costly mistakes and help ensure your project is completed by a qualified professional.
Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified March 12, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.
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